Spin down flush tube



FIG. 1 is a perspective view of a spin down flush tube, showing my new design;

FIG. 2 is a front plan view of a spin down flush tube;

FIG. 3 is a rear plan view of a spin down flush tube;

FIG. 4 is a right side plan view of a spin down flush tube;

FIG. 5 is a left side plan view of a spin down flush tube;

FIG. 6 is a top plan view of a spin down flush tube;

FIG. 7 is a bottom plan view of a spin down flush tube; and,

FIG. 8 is a cross sectional view of a spin down flush tube.

A device that extends filter life by facilitating fluid flow reversal in a liquid filtration system, e.g. a water filtration system. 

The ornamental design for a spin down flush tube, as shown. 